This 48 Gbit LPDDR4 mobile DRAM (organized as 1.5G x 32) delivers up to 4266 Mbps data rate and operates across a low-voltage window (~1.06–1.95 V), making it a common choice for midrange mobile and embedded designs. This summary provides technical parameters and procurement risk guidance.
| Parameter | Specification Details |
|---|---|
| Part Number | MT53E1536M32DDNQ-046 WT:A |
| Memory Density | 48 Gbit (1.5G x 32) |
| Max Data Rate | 4266 Mbps per I/O |
| Supply Voltage | 1.06V – 1.95V (Nominal) |
| Package Type | WFBGA (Low-profile Ball Grid Array) |
| Operating Temp | WT (Wireless Temperature) Range |
Performance & System Integration
At 4266 Mbps and a x32 data path, theoretical peak throughput reaches 17.06 GB/s. Organization as x32 simplifies controller channel mapping but requires robust PHY training. Signal integrity practices should target 40–50 Ω single-ended trace impedance with tight length matching for DQ groups.
Key Integration Checklist
- Layout: Match DQ/DQS group lengths within tens of picoseconds.
- Power: Implement dense local decoupling (0.1–1 µF) near power pins.
- Thermal: Ensure adequate PCB copper and thermal vias under the BGA area.
Common Questions & Answers
Is MT53E1536M32DDNQ-046 WT:A suitable for smartphone memory subsystems?
Yes—this LPDDR4 48 Gbit device is targeted at midrange smartphone subsystems where x32 single-channel bandwidth and a 4266 Mbps rated data rate meet multimedia and UI requirements. Confirm the chosen SoC/PHY supports the part's training sequences before integration.
How should procurement interpret "in stock" for this part?
"In stock" indications often reflect physical inventory but can be subject to allocation; procurement should request lead-time confirmation, packaging details, and traceability paperwork for production-critical buys.
What are the top integration risks when using MT53E1536M32DDNQ-046 WT:A?
Top risks include mismatched PHY support for the rated speed, improper power sequencing leading to training failures, and PCB layout issues such as incorrect ball-map implementation or poor DQ/DQS routing.
What is the theoretical peak throughput for this x32 LPDDR4 part?
At 4266 Mbps with a x32 data path, the theoretical peak throughput is approximately 17.06 GB/s (4266 Mbps × 32 bits / 8 bits per byte). Expect practical sustained bandwidth to be lower due to protocol overhead.
Procurement Summary
Monitor lifecycle labels (Active/Mature) closely. While LPDDR4 remains a high-volume standard, the 48Gbit density point requires proactive stock monitoring to mitigate sudden allocation risks. Verify the WT:A marking to ensure the operating temperature range matches your environment (Commercial vs. Industrial).
